/**
 * Copyright 2011 Joao Miguel Pereira
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package eu.jpereira.trainings.designpatterns.structural.composite.model;


/**
 * @author jpereira
 * 
 */
public abstract class Shape {
    // The shape coordinates
    int x;
    int y;

    /**
     * @return the x coordinate
     */
    public int getX() {
            return x;
    }

    /**
     * @param x
     *            the x coordinate to set
     */
    public void setX(int x) {
            this.x = x;
    }

    /**
     * @return the y coordinate
     */
    public int getY() {
            return y;
    }

    /**
     * @param y
     *            the y coordinate to set
     */
    public void setY(int y) {
            this.y = y;
    }

    /**
     * Each instance of a Shape must know it's type
     * @return
     */
    public abstract ShapeType getType();
   
    /**
     * If this object is a CompositeShape, return it. Null otherwise.
     *
     * @return an compositeShape instance if this is an composite, null
     *         otherwise
     */
   
    /**
     * Move a shape in a 2D scale
     *
     * @param xIncrement
     *            The increment in X axis
     * @param yIncremet
     *            The increment in the Y axis
     */
    public abstract void move(int xIncrement, int yIncrement);
    /*{
            this.x += xIncrement;
            this.y += yIncrement;
            // if is composite, delegate to children
            //TODO: COmplete
    }
    */
    public abstract CompositeShape asComposite();
    /*{
            //TODO: Implement              
            return null;                                            
    }
    */

}
